Home / 319,239.05-440,536.61-174,041.69

Finding the Fourth Proportional to 319,239.05, 440,536.61 and 174,041.69

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Solution

The fourth proportional to 319,239.05, 440,536.61 and 174,041.69 is: 240,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,239.05 : 440,536.61 = 174,041.69 : x
  2. Step 2: Convert to fraction form
    319,239.05/440,536.61 = 174,041.69/x
  3. Step 3: Cross multiply
    319,239.05x = 440,536.61 × 174,041.69
  4. Step 4: Simplify right side
    319,239.05x = 76,671,734,343.69
  5. Step 5: Solve for x
    x = 76,671,734,343.69/319,239.05
  6. Step 6: Final answer
    x = 240,170.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.